package com.yld.scott.ch08;

import org.junit.Test;

public class CalTest {
	
	
	@Test
	public void cal() throws Exception {
		
		Cal cal = new CalImpl();
		
		System.out.println(cal.sub(20, 5));
		System.out.println(cal.add(1,2,3,4,5));
	}

}
